Symptom Table

NOTE: Refer to Description and Operation, Intelligent Access with Push Button Start in ANTI-THEFT SYSTEM - PASSIVE ANTI-THEFT SYSTEM (PATS) article to review the procedures for achieving the various ignition states (ignition OFF, ignition in ACCESSORY, ignition ON, ignition START) on vehicles with this feature.

NOTE: The Smart Junction Box (SJB) may also be identified as the Generic Electronic Module (GEM).

SYMPTOM TABLE

Condition	Possible Sources	Action
No communication with the Dual Climate Controlled Seat Module (DCSM)	Fuse Circuitry DCSM	REFER to MODULE COMMUNICATIONS NETWORK article.
No communication with the Driver Door Module (DDM)	Fuse Circuitry DDM	REFER to MODULE COMMUNICATIONS NETWORK article.
No communication with the Driver Seat Module (DSM)	Fuse Circuitry DSM	REFER to MODULE COMMUNICATIONS NETWORK article.
The power seat is inoperative - passenger	Fuse Circuitry Seat control switch	GO to PINPOINT TEST A .
The power seat moves but is loose	Fastening hardware Seat track	GO to PINPOINT TEST B .
The power seat moves but is noisy	Seat track	GO to PINPOINT TEST C .
The power seat does not make full travel	Seat track obstructed Seat track	GO to PINPOINT TEST D .
The power seat does not move horizontally/vertically/recline - passenger	Seat track Circuitry Seat control switch Power seat motor	GO to PINPOINT TEST E .
The memory seat is inoperative/does not operate correctly - does not operate horizontally/vertically/recline	Fuse Circuitry Seat control switch Seat track DSM Power seat motor	GO to PINPOINT TEST F .
The memory seat does not operate correctly - the seat moves in one second intervals	Circuitry Seat track DSM	REFER to the DRIVER SEAT MODULE (DSM) DTC TABLE .
The memory seat does not operate correctly - does not operate using the memory SET switch	Circuitry Memory SET switch Seat track Seat recliner motor DDM DSM	GO to PINPOINT TEST G .
The memory seat does not operate correctly - does not operate using the remote transmitter	Remote Keyless Entry (RKE) transmitter is not correctly associated to a memory position Circuitry Keyless entry transmitter DSM	VERIFY the RKE transmitter is operating correctly and is associated to a memory position. REFER to Owner's Literature or HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS article for information on associating a RKE transmitter. RUN the DSM self-test and REFER to the DRIVER SEAT MODULE (DSM) DTC TABLE to diagnose any DTCs retrieved.
Easy exit/easy entry is inoperative/does not operate correctly	Circuitry Key in ignition switch Instrument Cluster (IC) module DSM	GO to PINPOINT TEST H .
The power lumbar is inoperative - driver	Circuitry Lumbar control switch Power lumbar assembly Power lumbar motor	GO to PINPOINT TEST I .
The power lumbar is inoperative - passenger	Circuitry Lumbar control switch Power lumbar assembly	GO to PINPOINT TEST J .
All climate controlled seats are inoperative	Fuse Circuitry Medium Speed Controller Area Network (MS-CAN) communication fault Front Controls Interface Module (FCIM) DCSM HVAC module	GO to PINPOINT TEST K .
A single climate controlled seat is inoperative - switch indicators may or may not illuminate	Circuitry FCIM HVAC module DCSM	NOTE: If a fault occurs setting a DTC specific to only one climate controlled seat, the DCSM will allow the other seat to remain operational. CHECK for DTCs specific to the affected climate controlled seat and, if a DTC is present, REFER to the DUAL CLIMATE CONTROLLED SEAT MODULE (DCSM) DTC TABLE . GO to PINPOINT TEST L .
A single climate controlled seat does not operate correctly - poor airflow or cooling/heating performance	Excessive sunload or extreme cabin temperatures Incorrectly installed TED Airflow blockage Disconnected air duct	GO to PINPOINT TEST M .
The heated seats are inoperative - rear	Fuse Circuitry Heated seat module	GO to PINPOINT TEST N .
The heated seat is inoperative/does not operate correctly - left rear	Circuitry Heated seat switch Seat cushion heater mat Seat backrest heater mat Heated seat module	GO to PINPOINT TEST O .
The heated seat is inoperative/does not operate correctly - right rear	Circuitry Heated seat switch Seat cushion heater mat Seat backrest heater mat Heated seat module	GO to PINPOINT TEST P .
The heated seat does not operate correctly - left rear seat does heat but the heated seat indicator does not illuminate when pressed	Wiring, terminals or connectors Heated seat switch Heated seat module	GO to PINPOINT TEST Q .
The heated seat does not operate correctly - right rear seat does heat but the heated seat indicator does not illuminate when pressed	Wiring, terminals or connectors Heated seat switch Heated seat module	GO to PINPOINT TEST R .
The heated seat does not operate correctly - left rear heated seat indicator is always on	Wiring, terminals or connectors Heated seat module	GO to PINPOINT TEST S .
The heated seat does not operate correctly - right rear heated seat indicator is always on	Wiring, terminals or connectors Heated seat module	GO to PINPOINT TEST T .
The heated seats do not operate correctly - after a new heated seat module is installed	Heated seat module configuration	OPERATE one heated seat using the low button to configure the module. REFER to PRINCIPLES OF OPERATION or HEATED SEAT MODULE - REAR .